/Engine/Source/Runtime/GeometryCore/Public/Deformers/Kelvinlets.h
Independent of shear modulus and is volume preserving.
class FTwistKelvinlet : public [UE::Geometry::TBaseKelvinlet< FTwistKelvinlet >](API\Runtime\GeometryCore\Deformers\TBaseKelvinlet)
FMatrix3d
F
Force Matrix.